简单同族:
CN100370504C | CN100449768C | CN1369916A | CN1606056A | DE60215983D1 | DE60215983T2 | EP1227467A2 | EP1227467A3 | EP1227467B1 | KR100843989B1 | KR1020020063524A | SG111928A1 | TW569016B | US20020125831A1 | US20040263445A1 | US6788003 | US7218297